mystic | aa49aa75bc754c85e6f63daddbd50b31f7c1a545d304c73b5cb297f16d9e323c

Analysis

max time kernel
142s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
10/10/2023, 22:24

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General

Target

aa49aa75bc754c85e6f63daddbd50b31f7c1a545d304c73b5cb297f16d9e323c.exe
Size

929KB
MD5

78ca7e8b46ee79803b25186fce5d90d8
SHA1

11a847c3d8991603eb1c6e9ea05f3a569eba119f
SHA256

aa49aa75bc754c85e6f63daddbd50b31f7c1a545d304c73b5cb297f16d9e323c
SHA512

1642dfd2b78ba46f76119f526436f2c6a24208a21128f7cd0f586cee0f1b8e2a3cf9b3e4b044776d602d299e92fef583bb8b0ce274142e0163c2be9aa5e392a6
SSDEEP

12288:mMrCy90rVZDGHW8433uN/JXpxEH30EZEox/j8fqFD/MX5dq6r0vcOzdXX:4ysCr433u/z6ENox//FDMX3qcOzNX

Score

10^/10

mystic redline luska infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

luska

77.91.124.55:19071

Attributes

auth_value
a6797888f51a88afbfd8854a79ac9357

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral2/memory/4856-28-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/4856-29-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/4856-30-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/4856-32-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic

Mystic
Mystic is an infostealer written in C++.
stealer mystic
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

Executes dropped EXE 5 IoCs

pid	Process
532	x8358276.exe
4980	x1516394.exe
1332	x2500597.exe
4196	g9759617.exe
756	h9706762.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	x1516394.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\""	x2500597.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	aa49aa75bc754c85e6f63daddbd50b31f7c1a545d304c73b5cb297f16d9e323c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	x8358276.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4196 set thread context of 4856	4196	g9759617.exe	89

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1888	4196	WerFault.exe	86
4764	4856	WerFault.exe	89

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 532	1196	aa49aa75bc754c85e6f63daddbd50b31f7c1a545d304c73b5cb297f16d9e323c.exe	83
PID 1196 wrote to memory of 532	1196	aa49aa75bc754c85e6f63daddbd50b31f7c1a545d304c73b5cb297f16d9e323c.exe	83
PID 1196 wrote to memory of 532	1196	aa49aa75bc754c85e6f63daddbd50b31f7c1a545d304c73b5cb297f16d9e323c.exe	83
PID 532 wrote to memory of 4980	532	x8358276.exe	84
PID 532 wrote to memory of 4980	532	x8358276.exe	84
PID 532 wrote to memory of 4980	532	x8358276.exe	84
PID 4980 wrote to memory of 1332	4980	x1516394.exe	85
PID 4980 wrote to memory of 1332	4980	x1516394.exe	85
PID 4980 wrote to memory of 1332	4980	x1516394.exe	85
PID 1332 wrote to memory of 4196	1332	x2500597.exe	86
PID 1332 wrote to memory of 4196	1332	x2500597.exe	86
PID 1332 wrote to memory of 4196	1332	x2500597.exe	86
PID 4196 wrote to memory of 4856	4196	g9759617.exe	89
PID 4196 wrote to memory of 4856	4196	g9759617.exe	89
PID 4196 wrote to memory of 4856	4196	g9759617.exe	89
PID 4196 wrote to memory of 4856	4196	g9759617.exe	89
PID 4196 wrote to memory of 4856	4196	g9759617.exe	89
PID 4196 wrote to memory of 4856	4196	g9759617.exe	89
PID 4196 wrote to memory of 4856	4196	g9759617.exe	89
PID 4196 wrote to memory of 4856	4196	g9759617.exe	89
PID 4196 wrote to memory of 4856	4196	g9759617.exe	89
PID 4196 wrote to memory of 4856	4196	g9759617.exe	89
PID 1332 wrote to memory of 756	1332	x2500597.exe	97
PID 1332 wrote to memory of 756	1332	x2500597.exe	97
PID 1332 wrote to memory of 756	1332	x2500597.exe	97

C:\Users\Admin\AppData\Local\Temp\aa49aa75bc754c85e6f63daddbd50b31f7c1a545d304c73b5cb297f16d9e323c.exe
"C:\Users\Admin\AppData\Local\Temp\aa49aa75bc754c85e6f63daddbd50b31f7c1a545d304c73b5cb297f16d9e323c.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x8358276.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x8358276.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:532
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x1516394.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x1516394.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:4980
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\x2500597.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\x2500597.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:1332
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\g9759617.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\g9759617.exe
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:4196
      - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        6⤵
        
        PID:4856
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4856 -s 556
        7⤵
        Program crash
        
        PID:4764
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 156
        6⤵
        Program crash
        
        PID:1888
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\h9706762.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\h9706762.exe
        5⤵
        Executes dropped EXE
        
        PID:756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4856 -ip 4856
1⤵
PID:4032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4196 -ip 4196
1⤵
PID:1724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x8358276.exe

Filesize
827KB

MD5
fba43d9e77e1f4e64be9e58893d299aa

SHA1
8565a2dd28ae2b08c06055ee0af3b661198a878b

SHA256
8cb4805eb32b25d8a1f7c529eda9119470cb17e52a491cbbd75b3934a012bf31

SHA512
116b2cd4b8be5b70011fc2df2487adcae6d32c49da632d73f134b1417ed76962bbf20433308c873fe9e3f56491974c74eea37d3efaa9111a9694c42feb71514f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x8358276.exe

Filesize
827KB

MD5
fba43d9e77e1f4e64be9e58893d299aa

SHA1
8565a2dd28ae2b08c06055ee0af3b661198a878b

SHA256
8cb4805eb32b25d8a1f7c529eda9119470cb17e52a491cbbd75b3934a012bf31

SHA512
116b2cd4b8be5b70011fc2df2487adcae6d32c49da632d73f134b1417ed76962bbf20433308c873fe9e3f56491974c74eea37d3efaa9111a9694c42feb71514f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x1516394.exe

Filesize
555KB

MD5
494e82d5f7b6c35fadff449467c189f6

SHA1
0e815dba3e0f4e2a0b02ae31ea1110b585ab9383

SHA256
a67bdbab80d246d6785435a60e68fd94327c0f40013b52f35762e21a53313e6a

SHA512
a9c2258b520bcb3eee9d13ea7e67b09b752fe582e9ae0271cdf03a51e78c64f02f1155e2c5ae9eaad819cb44c7f011dbe71fc4f60902213f624292f439a897d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x1516394.exe

Filesize
555KB

MD5
494e82d5f7b6c35fadff449467c189f6

SHA1
0e815dba3e0f4e2a0b02ae31ea1110b585ab9383

SHA256
a67bdbab80d246d6785435a60e68fd94327c0f40013b52f35762e21a53313e6a

SHA512
a9c2258b520bcb3eee9d13ea7e67b09b752fe582e9ae0271cdf03a51e78c64f02f1155e2c5ae9eaad819cb44c7f011dbe71fc4f60902213f624292f439a897d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\x2500597.exe

Filesize
390KB

MD5
0b25832169450ab3c48b46e3fd950095

SHA1
13d2a962a6b8a6b74935a97c55e3587304a77fb8

SHA256
f979afb000d9f1bf5754e799b6110c44d2ef153edd24c03f3ac7633d64f33037

SHA512
207ebebaf765b34d5239b7cf931556e5631997f1f767b1f563774e2649b15902769070b94211ad254265f428f0cca64786ee0e0aafa1abb1611a75087f949b4c

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\x2500597.exe

Filesize
390KB

MD5
0b25832169450ab3c48b46e3fd950095

SHA1
13d2a962a6b8a6b74935a97c55e3587304a77fb8

SHA256
f979afb000d9f1bf5754e799b6110c44d2ef153edd24c03f3ac7633d64f33037

SHA512
207ebebaf765b34d5239b7cf931556e5631997f1f767b1f563774e2649b15902769070b94211ad254265f428f0cca64786ee0e0aafa1abb1611a75087f949b4c

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\g9759617.exe

Filesize
356KB

MD5
2394d979956c5b244ba343910d832f00

SHA1
5517e72200cf6097771dfa0e55d0aec6ea5e2f88

SHA256
ca714c0a5cc3ebcdcf95e34d1b8e13436acfcefb9378cfac1b9dfc709adf62a3

SHA512
d3685a1c56ca450ffb1ddd131fdce8fe88051f77500a3057b1e44d4652e79a79fe1d409560621c97aeda950a9436541c8e439e58944570ea64791de9e68bcf72

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\g9759617.exe

Filesize
356KB

MD5
2394d979956c5b244ba343910d832f00

SHA1
5517e72200cf6097771dfa0e55d0aec6ea5e2f88

SHA256
ca714c0a5cc3ebcdcf95e34d1b8e13436acfcefb9378cfac1b9dfc709adf62a3

SHA512
d3685a1c56ca450ffb1ddd131fdce8fe88051f77500a3057b1e44d4652e79a79fe1d409560621c97aeda950a9436541c8e439e58944570ea64791de9e68bcf72

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\h9706762.exe

Filesize
174KB

MD5
a65f2b502e35f547453970e5af6eccd9

SHA1
800e16a63b247de63630dcd1f55700b2a8d11cfc

SHA256
1690c52b9657abbdee7ebc2ce6d7323733f32531e40084733d7ac0333a767ed7

SHA512
c0d46d092f9fa8dac3e1783d0694d13bd2bde65d799b54a93b0ce5d04455a19fa4b892783a983c26133e6a48633d78123052fa3bb89170be17471c9705c7feaf

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\h9706762.exe

Filesize
174KB

MD5
a65f2b502e35f547453970e5af6eccd9

SHA1
800e16a63b247de63630dcd1f55700b2a8d11cfc

SHA256
1690c52b9657abbdee7ebc2ce6d7323733f32531e40084733d7ac0333a767ed7

SHA512
c0d46d092f9fa8dac3e1783d0694d13bd2bde65d799b54a93b0ce5d04455a19fa4b892783a983c26133e6a48633d78123052fa3bb89170be17471c9705c7feaf

Download Submit
memory/756-39-0x0000000005970000-0x0000000005F88000-memory.dmp

Filesize
6.1MB

Download
memory/756-42-0x00000000053C0000-0x00000000053D2000-memory.dmp

Filesize
72KB

Download
memory/756-46-0x0000000002D80000-0x0000000002D90000-memory.dmp

Filesize
64KB

Download
memory/756-45-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/756-36-0x0000000000A30000-0x0000000000A60000-memory.dmp

Filesize
192KB

Download
memory/756-37-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/756-44-0x0000000005590000-0x00000000055DC000-memory.dmp

Filesize
304KB

Download
memory/756-40-0x0000000005480000-0x000000000558A000-memory.dmp

Filesize
1.0MB

Download
memory/756-38-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/756-41-0x0000000002D80000-0x0000000002D90000-memory.dmp

Filesize
64KB

Download
memory/756-43-0x0000000005420000-0x000000000545C000-memory.dmp

Filesize
240KB

Download
memory/4856-29-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4856-32-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4856-30-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4856-28-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads